Double Stuffed horny milfs , Double Vaginal , or Double Anal pornography involves the penetration of one orifice by two penises or other objects. Another variant of reality pornography consists of normal couples that are filmed by professionals, in which case the only obvious distinction from amateur pornography is the higher quality of production, filming and editing. Advocates of RACK argue that SSC can hamper discussion of risk because no activity is truly safe, and that discussion of even low-risk possibilities is necessary for truly informed consent. Both forms of pornography generally contains nudity. These scenes may involve the female actor calling for the shot hot gay sex to be directed at some specific part of her body. Sex parties may be organized to enable people to engage in casual sexual activity or for swinging couples or people interested in group sex to meet, but any gathering where sexual activity is anticipated can be called a sex party. Often, strong views are expressed with regard to anal sex; it is controversial in various cultures, especially with regard to religion, commonly due to prohibitions against anal sex among gay men or teachings about the procreative purpose of sexual activity. Hamedori is a genre lesbian hentai of Japanese pornography in which a male adult video actor or director serves as the camera operator. Voyeurism: Seeing another urinate without the person knowledge either through video taping by a hidden camera, or by lurking in locations where people are urinating or are likely to have an urge to urinate. A sex party is a gathering at which sexual activity takes place. Although pornography has usually focused on heterosexuality, due to the prevalence of the heterosexual orientation, explicit gay material has a long history as well, which reaches back to Greek antiquity, if not to prehistory. Lesbianism has been a theme in erotic art since at least the time of ancient Rome, and many regard depictions of lesbianism to be erotic. For legal reasons, the vast majority of so-called reality porn involves professional actors and actresses posing as so-called amateurs.